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Her fledgling label is a hot name on everyone's lips during London Fashion Week, and she was given the Emerging Designer Awards at the British Fashion Awards in 2013.

While the collection is still under wraps and won't launch to press until July (and be available to buy until end of 2014), the 27-year-old follows in the footsteps of
Christopher Kane
and Proenza Schouler in teaming up with the Californian denim brand.

Rocha's directional designs have found favour with the likes of Alexa Chung, Laura Bailey and Chloe Moretz on the red carpet, while J Brand is the go-to label for smart denim for the Duchess of Cambridge, Miranda Kerr and Suki Waterhouse.

Models backstage at the Simone Rocha spring/summer 2014 show

Of the stylish union, the Central St Martins graduate said: "It's an exciting prospect to work on this project, learn from J Brand's denim expertise and see how it evolves over the coming months in the run up to the winter launch."

Meanwhile J Brand's CEO Jeff Rudes has wasted no time in spotting Rocha junior's talent. "Simone has developed such a strong aesthetic in a very short space of time" he explained. "Her maturity and sense of direction as a designer is unparalleled for her generation; we are thrilled to have Simone creating a capsule collection with us."